Regulated re-replication of DNA within a single cell cycle, resulting in an increased cell ploidy. An example of this process occurs in the synthesis of Drosophila salivary gland cell polytene chromosomes. [ GOC:vw GOC:jl ]
Synonyms: DNA re-duplication DNA endoreplication
Term information
Note that this term is only to be used in situations were this process occurs normally. Not to be used to describe mutant or diseased states.